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Roger A. Mathews

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  • Newbury Park, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Assessment of damage in keratin fibers
    • Patent number 5,461,925
    • Issue date Oct 31, 1995
    • Redken Laboratories, Inc.
    • Nghi V. Nguyen
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hair-waving process
    • Patent number 5,047,233
    • Issue date Sep 10, 1991
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Assessment of damage in keratin fibers
    • Patent number 4,972,718
    • Issue date Nov 27, 1990
    • Redken Laboratories Inc.
    • Hayel M. Said
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Permanent wave solution
    • Patent number 4,963,349
    • Issue date Oct 16, 1990
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hair-waving process
    • Patent number 4,840,791
    • Issue date Jun 20, 1989
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Permanent wave composition
    • Patent number 4,816,246
    • Issue date Mar 28, 1989
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Scalp treatment
    • Patent number 4,814,351
    • Issue date Mar 21, 1989
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hair treatment composition
    • Patent number 4,793,992
    • Issue date Dec 27, 1988
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for evaluating efficacy of a hair styling product
    • Patent number 4,635,654
    • Issue date Jan 13, 1987
    • Redken Laboratories, Inc.
    • Roger A. Mathews
    • A45 - HAND OR TRAVELLING ARTICLES